@misc{indiciaea76325b99b24,
  title = {Potentiometric-surface maps of the Cockfield and lower Wilcox Aquifers in Arkansas, 1991},
  author = {Paul W. Westerfield},
  year = {1994},
  doi = {10.3133/wri934134},
  url = {https://pubs.usgs.gov/publication/wri934134},
  note = {Source identifier: wri934134}
}